In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Ex Input:
Sentence: Reversible process is the name of the process in which both the system and its environment can return to exactly the states they were in by following the reverse path. Question: What is the name of the process in which both the system and its environment can return to exactly the states they were in by following the reverse path?

Ex Output:
reversible process


Ex Input:
Sentence: Streak is a more reliable trait or measure to identify minerals. Question: Which is a more reliable trait or measure to identify minerals?

Ex Output:
streak


Ex Input:
Sentence: Planets are held by the force of gravity in elliptical orbits around sun. Question: Planets are held by the force of gravity in elliptical orbits around what?

Ex Output:

sun


